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Intangible Assets - Summary of Intangible Assets (Details) - KRW (₩) ₩ in Millions | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
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Disclosure of detailed information about intangible assets [line items] |  |  |  |
Intangible assets | ₩ 7,057 | ₩ 6,370 | ₩ 3,869 | ₩ 3,342
Software |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |
Intangible assets | 1,784 | 2,780 | 1,938 | 1,264
Industrial property rights |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |
Intangible assets | 883 | 626 | 545 | 483
License fee |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |
Intangible assets | 4,362 | 2,678 | 1,351 | 1,430
Other intangible assets |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |
Intangible assets | 28 | 286 | ₩ 35 | ₩ 165
Acquisition price |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |
Intangible assets | 28,478 | 28,820 |  |
Acquisition price | Software |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |
Intangible assets | 16,536 | 17,567 |  |
Acquisition price | Industrial property rights |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |
Intangible assets | 1,746 | 1,376 |  |
Acquisition price | License fee |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |
Intangible assets | 9,087 | 8,510 |  |
Acquisition price | Other intangible assets |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |
Intangible assets | 1,109 | 1,367 |  |
Accumulated amortization |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |
Intangible assets | (21,421) | (22,450) |  |
Accumulated amortization | Software |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |
Intangible assets | (14,752) | (14,787) |  |
Accumulated amortization | Industrial property rights |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |
Intangible assets | (863) | (750) |  |
Accumulated amortization | License fee |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |
Intangible assets | (4,725) | (5,832) |  |
Accumulated amortization | Other intangible assets |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |
Intangible assets | ₩ (1,081) | ₩ (1,081) |  |

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